matlab车流量检测代码，亲测可用，用的时候需要改几个参数，已标注(Matlab vehicle flow detection code, pro test available, with the need to change several parameters, has been marked)

可检测视频中的交通流信息，如车速，车流量和车牌识别(Detect traffic flow information in video such as vehicle speed, traffic volume and license plate recognition)